Name the three main functions of the digestive system. Give a description of each function
What will be an ideal response?
Digestion is the process by which food is changed in the mouth, stomach, and intestines by chemical, mechanical, and physical action, so that it can be absorbed by the body.
Absorption is the process whereby nutrient material is taken into the bloodstream or lymph and travels to all cells of the body. Elimination is the process whereby the solid waste products of digestion are excreted.
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Which is the best definition of physical activity?
A) exercise that significantly increases breathing and heart rates B) any repetitive movement that causes gains in muscle mass C) actions that use about 150 calories of energy per hour D) movement carried out by the skeletal muscles that requires energy
Which of the following suffixes means process of measuring?
A) -graphy B) -scopy C) -metry D) -otomy
An objective that asks students to understand why they should step forward on the opposite foot in throwing pattern is:
A. a cognitive objective. B. a psychomotor objective. C. an affective objective. D. a combination of all of these.
Research has shown that regular physical activity and exercise can increase longevity
Indicate whether the statement is true or false